000			00355nam a2200145Ia 4500
008			220926s9999 xx 000 0 und d
100			_aR.Venkatraman
245		0	_aHistory of Science & Technology
250			_a4th Ed
260			_aCoimbatore
260			_bAsian Printers
260			_c2007
650			_aHistory of Science & Technology
942			_cBK
999			_c24077 _d24077